#include<bits/stdc++.h>
using namespace std;
int n,a[100005],ans,v[100005];
int main(){
    freopen("duel.in","r",stdin);
    freopen("duel.out","w",stdout);
    scanf("%d",&n);
    for (int i=1;i<=n;i++){
        scanf("%d",&a[i]);
        v[a[i]]++;
    }
    for (int i=1;i<=n;i++){
        ans=max(ans,v[a[i]]);
    }
    cout<<ans<<endl;
    return 0;
}
